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- /*
- * Copyright (c) 2006-2017 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
- * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
- package com.dmdirc;
-
- import com.dmdirc.events.ChannelActionEvent;
- import com.dmdirc.events.ChannelCtcpEvent;
- import com.dmdirc.events.ChannelGotNamesEvent;
- import com.dmdirc.events.ChannelGotTopicEvent;
- import com.dmdirc.events.ChannelJoinEvent;
- import com.dmdirc.events.ChannelKickEvent;
- import com.dmdirc.events.ChannelListModesRetrievedEvent;
- import com.dmdirc.events.ChannelMessageEvent;
- import com.dmdirc.events.ChannelModeChangeEvent;
- import com.dmdirc.events.ChannelModeNoticeEvent;
- import com.dmdirc.events.ChannelModesDiscoveredEvent;
- import com.dmdirc.events.ChannelNickChangeEvent;
- import com.dmdirc.events.ChannelNoModesDiscoveredEvent;
- import com.dmdirc.events.ChannelNoTopicEvent;
- import com.dmdirc.events.ChannelNoticeEvent;
- import com.dmdirc.events.ChannelPartEvent;
- import com.dmdirc.events.ChannelQuitEvent;
- import com.dmdirc.events.ChannelSelfModeChangeEvent;
- import com.dmdirc.events.ChannelSelfNickChangeEvent;
- import com.dmdirc.events.ChannelSelfPartEvent;
- import com.dmdirc.events.ChannelTopicChangeEvent;
- import com.dmdirc.events.ChannelTopicUnsetEvent;
- import com.dmdirc.events.ChannelUserAwayEvent;
- import com.dmdirc.events.ChannelUserBackEvent;
- import com.dmdirc.interfaces.Connection;
- import com.dmdirc.interfaces.EventBus;
- import com.dmdirc.parser.common.AwayState;
- import com.dmdirc.parser.events.ChannelCTCPEvent;
- import com.dmdirc.parser.events.ChannelListModeEvent;
- import com.dmdirc.parser.events.ChannelNamesEvent;
- import com.dmdirc.parser.events.ChannelTopicEvent;
- import com.dmdirc.parser.events.OtherAwayStateEvent;
- import com.dmdirc.parser.interfaces.ChannelClientInfo;
- import com.dmdirc.parser.interfaces.ChannelInfo;
- import com.dmdirc.parser.interfaces.Parser;
-
- import com.google.common.base.Strings;
-
- import java.time.LocalDateTime;
- import java.time.ZoneOffset;
- import java.util.Optional;
- import java.util.stream.Collectors;
-
- import javax.annotation.Nonnull;
-
- import net.engio.mbassy.listener.Handler;
-
- /**
- * Handles events for channel objects.
- */
- public class ChannelEventHandler extends EventHandler {
-
- /** The channel that owns this event handler. */
- private final Channel owner;
- /** Event bus to send events on. */
- private final EventBus eventBus;
- private final GroupChatUserManager groupChatUserManager;
-
- public ChannelEventHandler(final Channel owner, final EventBus eventBus,
- final GroupChatUserManager groupChatUserManager) {
- this.owner = owner;
- this.eventBus = eventBus;
- this.groupChatUserManager = groupChatUserManager;
- }
-
- @Nonnull
- @Override
- protected Connection getConnection() {
- return owner.getConnection().get();
- }
-
- /**
- * Determines if the specified client represents us.
- *
- * @param client The client to be tested
- *
- * @return True if the client is ourself, false otherwise.
- */
- protected boolean isMyself(final ChannelClientInfo client) {
- return getConnection().getParser().map(Parser::getLocalClient)
- .map(c -> client.getClient().equals(c)).orElse(false);
- }
-
- @Handler
- public void onChannelMessage(final com.dmdirc.parser.events.ChannelMessageEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelMessageEvent(
- event.getDate(),
- owner, groupChatUserManager.getUserFromClient(event.getClient(), owner),
- event.getMessage()));
- }
-
- @Handler
- public void onChannelGotNames(final ChannelNamesEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- owner.setClients(event.getChannel().getChannelClients().stream()
- .map(client -> groupChatUserManager.getUserFromClient(client, owner))
- .collect(Collectors.toList()));
- eventBus.publishAsync(new ChannelGotNamesEvent(event.getDate(), owner));
- }
-
- @Handler
- public void onChannelTopic(final ChannelTopicEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- final ChannelInfo channel = event.getChannel();
- final LocalDateTime date = event.getDate();
-
- final Topic topic = Topic.create(channel.getTopic(),
- owner.getUser(getConnection().getUser(channel.getTopicSetter())).orElse(null),
- LocalDateTime.ofEpochSecond(channel.getTopicTime(), 0, ZoneOffset.UTC));
-
- if (event.isJoinTopic()) {
- if (Strings.isNullOrEmpty(channel.getTopic())) {
- eventBus.publishAsync(new ChannelNoTopicEvent(owner));
- } else {
- eventBus.publishAsync(new ChannelGotTopicEvent(owner, topic,
- owner.getConnection().get().getUser(channel.getTopicSetter())));
- }
- } else {
- if (Strings.isNullOrEmpty(channel.getTopic())) {
- eventBus.publishAsync(new ChannelTopicUnsetEvent(date, owner,
- owner.getUser(owner.getConnection().get()
- .getUser(channel.getTopicSetter())).orElse(null)));
- } else {
- eventBus.publishAsync(new ChannelTopicChangeEvent(date, owner, topic,
- topic.getClient().get()));
-
- }
- }
-
- final Optional<Topic> currentTopic = owner.getCurrentTopic();
- final boolean hasNewTopic = !Strings.isNullOrEmpty(channel.getTopic());
- if (!event.isJoinTopic()
- || !currentTopic.isPresent() && hasNewTopic
- || currentTopic.isPresent() && !channel.getTopic().equals(
- owner.getCurrentTopic().get().getTopic())) {
- // Only add the topic if:
- // - It's being set while we're in the channel (rather than discovered on join), or
- // - We think the current topic is empty and are discovering a new one, or
- // - The newly discovered topic is different to what we thought the current topic was.
- owner.addTopic(topic);
- }
- }
-
- @Handler
- public void onChannelJoin(final com.dmdirc.parser.events.ChannelJoinEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publish(new ChannelJoinEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner)));
- owner.addClient(groupChatUserManager.getUserFromClient(event.getClient(), owner));
- }
-
- @Handler
- public void onChannelPart(final com.dmdirc.parser.events.ChannelPartEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- final ChannelClientInfo client = event.getClient();
- final LocalDateTime date = event.getDate();
- final String reason = event.getReason();
-
- if (isMyself(client)) {
- eventBus.publishAsync(new ChannelSelfPartEvent(date, owner,
- groupChatUserManager.getUserFromClient(client, owner), reason));
- } else {
- eventBus.publishAsync(new ChannelPartEvent(date, owner,
- groupChatUserManager.getUserFromClient(client, owner), reason));
- }
- owner.removeClient(groupChatUserManager.getUserFromClient(client, owner));
- }
-
- @Handler
- public void onChannelKick(final com.dmdirc.parser.events.ChannelKickEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
- final ChannelClientInfo kickedClient = event.getKickedClient();
-
- eventBus.publishAsync(new ChannelKickEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner),
- groupChatUserManager.getUserFromClient(kickedClient, owner), event.getReason()));
- owner.removeClient(groupChatUserManager.getUserFromClient(kickedClient, owner));
- }
-
- @Handler
- public void onChannelQuit(final com.dmdirc.parser.events.ChannelQuitEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelQuitEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner),
- event.getReason()));
- owner.removeClient(groupChatUserManager.getUserFromClient(event.getClient(), owner));
- }
-
- @Handler
- public void onChannelAction(final com.dmdirc.parser.events.ChannelActionEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelActionEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner),
- event.getMessage()));
- }
-
- @Handler
- public void onChannelNickChanged(final com.dmdirc.parser.events.ChannelNickChangeEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- final String oldNick = event.getOldNick();
- final ChannelClientInfo client = event.getClient();
-
- owner.renameClient(oldNick, client.getClient().getNickname());
-
- if (isMyself(client)) {
- eventBus.publishAsync(
- new ChannelSelfNickChangeEvent(
- event.getDate(),
- owner, groupChatUserManager.getUserFromClient(client, owner), oldNick));
- } else {
- eventBus.publishAsync(
- new ChannelNickChangeEvent(
- event.getDate(),
- owner, groupChatUserManager.getUserFromClient(client, owner), oldNick));
- }
- }
-
- @Handler
- public void onChannelModeChanged(final com.dmdirc.parser.events.ChannelModeChangeEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- final String host = event.getHost();
- final String modes = event.getModes();
- final ChannelClientInfo client = event.getClient();
- final LocalDateTime date = event.getDate();
-
- if (host.isEmpty()) {
- if (modes.length() <= 1) {
- eventBus.publishAsync(new ChannelNoModesDiscoveredEvent(date, owner));
- } else {
- eventBus.publishAsync(
- new ChannelModesDiscoveredEvent(date, owner,modes));
- }
- } else if (isMyself(client)) {
- eventBus.publishAsync(new ChannelSelfModeChangeEvent(date, owner,
- groupChatUserManager.getUserFromClient(client, owner), modes));
- } else {
- eventBus.publishAsync(new ChannelModeChangeEvent(date, owner,
- groupChatUserManager.getUserFromClient(client, owner), modes));
- }
-
- owner.refreshClients();
- }
-
- @Handler
- public void onChannelCTCP(final ChannelCTCPEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- final ChannelClientInfo client = event.getClient();
- final String message = event.getMessage();
- final LocalDateTime date = event.getDate();
- final String type = event.getType();
-
- final ChannelCtcpEvent coreEvent = new ChannelCtcpEvent(date, owner,
- groupChatUserManager.getUserFromClient(client, owner),type, message);
- eventBus.publish(coreEvent);
- if (!coreEvent.isHandled()) {
- getConnection().sendCTCPReply(client.getClient().getNickname(), type, message);
- }
- }
-
- @Handler
- public void onAwayStateOther(final OtherAwayStateEvent event) {
- owner.getUser(owner.getConnection().get().getUser(event.getClient().getNickname()))
- .ifPresent(c -> {
- if (event.getNewState() == AwayState.AWAY) {
- eventBus.publishAsync(
- new ChannelUserAwayEvent(event.getDate(), owner, c));
- } else {
- eventBus.publishAsync(
- new ChannelUserBackEvent(event.getDate(), owner, c));
- }
- });
- }
-
- @Handler
- public void onChannelNotice(final com.dmdirc.parser.events.ChannelNoticeEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelNoticeEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner),
- event.getMessage()));
- }
-
- @Handler
- public void onChannelModeNotice(final com.dmdirc.parser.events.ChannelModeNoticeEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelModeNoticeEvent(
- event.getDate(), owner,
- groupChatUserManager.getUserFromClient(event.getClient(), owner), String.valueOf
- (event.getPrefix()), event.getMessage()));
- }
-
- @Handler
- public void onChannelGotListModes(final ChannelListModeEvent event) {
- if (!checkChannel(event.getChannel())) {
- return;
- }
-
- eventBus.publishAsync(new ChannelListModesRetrievedEvent(
- event.getDate(), owner, event.getMode()));
- }
-
- private boolean checkChannel(final ChannelInfo channelInfo) {
- return owner.getChannelInfo().equals(channelInfo);
- }
-
- }
|